The developer of a controversial golf resort scheme in Ipswich has been using “black market” intermediaries to bring millions of dollars in cash real estate deposits into Australia from Vietnam.

The money was paid into company accounts Richard Turner used to loan himself hundreds of thousands of dollars for personal expenses.

About half of the more than $10 million taken in deposits by Mr Turner’s Brookwater operation has been collected in cash from wealthy people in Vietnam, allegedly in breach of domestic restrictions on the export of capital.